Shutting Down The Ups - Huawei UPS5000-E Series Quick Manual

5.4
Powering On Loads
1. After the inverter starts, the UPS works in normal mode. The Bypass mode alarm disappears
from the MDU.
2. After confirming that the battery strings are properly connected, turn on the battery string
input circuit breaker. If there are multiple battery strings, turn on the circuit breaker for each
battery string and then turn on the general circuit breaker between battery strings and the
UPS. The No battery alarm disappears from the MDU.
3. Turn on the UPS downstream output switch to supply power to the loads.
5.5 (Optional) Setting Parameters for the BCB Box
1. If a BCB box is configured, set MUE05A connection to Enable in System Info > Settings >
Dry Contacts Set, and then set BCB connection [OL] and Battery breaker [STA] to Enable.
6

Shutting Down the UPS

After you shut down the inverter, the UPS transfers to bypass mode if the bypass is normal;
the UPS supplies no power if the bypass is abnormal. Before shutting down the UPS, ensure
that all loads have been shut down.
Shutting Down the Inverter to Transfer the UPS to Bypass Mode
6.1
1. On the main menu of the LCD, choose Common Functions and tap Inv. OFF.
2. In the displayed login window, enter the user name and password, and tap
3. In the displayed dialog box, tap Yes to shut down the inverter.
Powering Off a Single UPS
6.2
Open the downstream output switch and battery string switch. If there are
multiple battery strings, open the general switch between battery strings
Open the UPS mains input switch, bypass input switch, and output switch.
and the UPS and then the switch for each battery string.
Open the upstream input switch.
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